Read the docs
TI-2018-00980 Aliases CVE-2018-1060GHSA-7hp6-577h-hcgr

Improper input validation in [UNKNOWN] python

Priority MEDIUM 47CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 28 fixed, 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in pop3lib's apop() method. An attacker could use this flaw to cause denial of service.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.05039 92nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 5 advisoriesRed Hat: 28 fixed, 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
[UNKNOWN]pythonpython 2.7.15; python 3.4.9; python 3.5.6; python 3.7.0—No fix listedCNA
  • python Vendor[UNKNOWN] Affected python 2.7.15; python 3.4.9; python 3.5.6; python 3.7.0 Fixed in — No fix listed CNA

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*2.7.0 to before 2.7.15; 3.0.0 to before 3.4.9; 3.5.0 to before 3.5.6; after 3.6.0, before 3.6.5Vulnerablepython-pillow
cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*28VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*29VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*30VulnerableFedoraproject
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:a:redhat:ansible_tower:3.3:*:*:*:*:*:*:*3.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:python:python:*:*:*:*:*:*:*:* Versions 2.7.0 to before 2.7.15; 3.0.0 to before 3.4.9; 3.5.0 to before 3.5.6; after 3.6.0, before 3.6.5 Vulnerable ·python-pillow
  • cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* Versions 28 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:a:redhat:ansible_tower:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

Red Hat 5 advisories

  • RHSA-2020:1346 Released 2020-04-07 · Red Hat rating Moderate
    python security update
    • Red Hat Enterprise Linux Server AUS (v. 7.4) python-2.7.5-63.el7_4, python-devel-2.7.5-63.el7_4, python-libs-2.7.5-63.el7_4
    • Red Hat Enterprise Linux Server E4S (v. 7.4) python-2.7.5-63.el7_4, python-devel-2.7.5-63.el7_4, python-libs-2.7.5-63.el7_4
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.4) python-debug-2.7.5-63.el7_4, python-test-2.7.5-63.el7_4, python-tools-2.7.5-63.el7_4 +1
    • Red Hat Enterprise Linux Server Optional E4S (v. 7.4) python-debug-2.7.5-63.el7_4, python-test-2.7.5-63.el7_4, python-tools-2.7.5-63.el7_4 +1
    • Red Hat Enterprise Linux Server Optional TUS (v. 7.4) python-debug-2.7.5-63.el7_4, python-test-2.7.5-63.el7_4, python-tools-2.7.5-63.el7_4 +1
    • Red Hat Enterprise Linux Server TUS (v. 7.4) python-2.7.5-63.el7_4, python-devel-2.7.5-63.el7_4, python-libs-2.7.5-63.el7_4
  • RHSA-2020:1268 Released 2020-04-01 · Red Hat rating Moderate
    python security update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) python-2.7.5-74.el7_5, python-devel-2.7.5-74.el7_5, python-libs-2.7.5-74.el7_5
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) python-debug-2.7.5-74.el7_5, python-test-2.7.5-74.el7_5, python-tools-2.7.5-74.el7_5 +1
    • Red Hat Enterprise Linux Server EUS (v. 7.5) python-2.7.5-74.el7_5, python-devel-2.7.5-74.el7_5, python-libs-2.7.5-74.el7_5 +1
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.5) python-debug-2.7.5-74.el7_5, python-test-2.7.5-74.el7_5, python-tools-2.7.5-74.el7_5 +1
  • RHSA-2019:3725 Released 2019-11-06 · Red Hat rating Moderate
    rh-python36-python security, bug fix, and enhancement update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-python36-python-3.6.9-2.el6, rh-python36-python-debug-3.6.9-2.el6, rh-python36-python-devel-3.6.9-2.el6 +4
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-python36-python-3.6.9-2.el7, rh-python36-python-debug-3.6.9-2.el7, rh-python36-python-devel-3.6.9-2.el7 +4
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-python36-python-3.6.9-2.el7, rh-python36-python-debug-3.6.9-2.el7, rh-python36-python-devel-3.6.9-2.el7 +4
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-python36-python-3.6.9-2.el7, rh-python36-python-debug-3.6.9-2.el7, rh-python36-python-devel-3.6.9-2.el7 +4
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-python36-python-3.6.9-2.el7, rh-python36-python-debug-3.6.9-2.el7, rh-python36-python-devel-3.6.9-2.el7 +4
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-python36-python-3.6.9-2.el6, rh-python36-python-debug-3.6.9-2.el6, rh-python36-python-devel-3.6.9-2.el6 +4
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-python36-python-3.6.9-2.el7, rh-python36-python-debug-3.6.9-2.el7, rh-python36-python-devel-3.6.9-2.el7 +4
Show 2 more Red Hat advisories
  • RHSA-2019:1260 Released 2019-05-22 · Red Hat rating Important
    python27-python and python27-python-jinja2 security and bug fix update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) python27-python-2.7.16-4.el6, python27-python-debug-2.7.16-4.el6, python27-python-devel-2.7.16-4.el6 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) python27-python-2.7.16-4.el7, python27-python-debug-2.7.16-4.el7, python27-python-devel-2.7.16-4.el7 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) python27-python-2.7.16-4.el7, python27-python-debug-2.7.16-4.el7, python27-python-devel-2.7.16-4.el7 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) python27-python-2.7.16-4.el7, python27-python-debug-2.7.16-4.el7, python27-python-devel-2.7.16-4.el7 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) python27-python-2.7.16-4.el7, python27-python-debug-2.7.16-4.el7, python27-python-devel-2.7.16-4.el7 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) python27-python-2.7.16-4.el6, python27-python-debug-2.7.16-4.el6, python27-python-devel-2.7.16-4.el6 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) python27-python-2.7.16-4.el7, python27-python-debug-2.7.16-4.el7, python27-python-devel-2.7.16-4.el7 +5
  • RHSA-2018:3041 Released 2018-10-30 · Red Hat rating Moderate
    python security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) python-2.7.5-76.el7, python-libs-2.7.5-76.el7
    • Red Hat Enterprise Linux Client Optional (v. 7) python-debug-2.7.5-76.el7, python-devel-2.7.5-76.el7, python-test-2.7.5-76.el7 +2
    • Red Hat Enterprise Linux ComputeNode (v. 7) python-2.7.5-76.el7, python-devel-2.7.5-76.el7, python-libs-2.7.5-76.el7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) python-debug-2.7.5-76.el7, python-test-2.7.5-76.el7, python-tools-2.7.5-76.el7 +1
    • Red Hat Enterprise Linux Server (v. 7) python-2.7.5-76.el7, python-devel-2.7.5-76.el7, python-libs-2.7.5-76.el7 +1
    • Red Hat Enterprise Linux Server Optional (v. 7) python-debug-2.7.5-76.el7, python-test-2.7.5-76.el7, python-tools-2.7.5-76.el7 +1
    • Red Hat Enterprise Linux Workstation (v. 7) python-2.7.5-76.el7, python-devel-2.7.5-76.el7, python-libs-2.7.5-76.el7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) python-debug-2.7.5-76.el7, python-test-2.7.5-76.el7, python-tools-2.7.5-76.el7 +1
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) python-2.7.5-76.el7, python-devel-2.7.5-76.el7, python-libs-2.7.5-76.el7
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) python-debug-2.7.5-76.el7, python-test-2.7.5-76.el7, python-tools-2.7.5-76.el7 +1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    [UNKNOWN] python — RHSA-2018:3041

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2018-00981 Improper input validation in [UNKNOWN] pythonPriority MEDIUM 40
    Show all 2 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Software CollectionsAffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2018:3041
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:3041
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2018:3041
Red Hat Enterprise Linux ComputeNode EUS (v. 7.5)Fixed RHSA-2020:1268
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2018:3041
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5)Fixed RHSA-2020:1268
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:3041
Red Hat Enterprise Linux Server AUS (v. 7.4)Fixed RHSA-2020:1346
Red Hat Enterprise Linux Server E4S (v. 7.4)Fixed RHSA-2020:1346
Red Hat Enterprise Linux Server EUS (v. 7.5)Fixed RHSA-2020:1268
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:3041
Red Hat Enterprise Linux Server Optional AUS (v. 7.4)Fixed RHSA-2020:1346
Red Hat Enterprise Linux Server Optional E4S (v. 7.4)Fixed RHSA-2020:1346
Red Hat Enterprise Linux Server Optional EUS (v. 7.5)Fixed RHSA-2020:1268
Red Hat Enterprise Linux Server Optional TUS (v. 7.4)Fixed RHSA-2020:1346
Red Hat Enterprise Linux Server TUS (v. 7.4)Fixed RHSA-2020:1346
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:3041
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:3041
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2018:3041
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2018:3041
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2019:1260, RHSA-2019:3725
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:1260, RHSA-2019:3725
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)Fixed RHSA-2019:1260
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)Fixed RHSA-2019:1260, RHSA-2019:3725
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2019:1260, RHSA-2019:3725
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7)Fixed RHSA-2019:3725
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2019:1260, RHSA-2019:3725
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:1260, RHSA-2019:3725

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1060
  2. 2026-10-03 Alias added: GHSA-7hp6-577h-hcgr
  3. 2026-10-08 CISA SSVC decision points changed

References

Exploit 1

Advisory 20

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences